Indoor Lighting Design
When designing indoor lighting for energy efficiency, you want
to consider some basic design principles and methods.
Energy-efficient lighting design principles include the
Remember that more light is not necessarily better. Human visual
performance depends on light quality as well as quantity.
Match the amount and quality of light to the performed function.
Install task lights where needed and reduce ambient light
Maximize the use of daylight
Here are some basic methods for achieving energy-efficient
fluorescent light fixtures
for all ceiling- and wall-mounted fixtures that will be on for
more than 2 hours each day. These often include the fixtures in
the kitchen and living room, and sometimes those in bathrooms,
halls, bedrooms, and other higher-demand locations.
Install dedicated compact fluorescent fixtures, rather than
compact fluorescent lamps (CFLs)
in incandescent fixtures, so that fluorescent bulbs continue to
be used for the life of the house.
Use CFLs in portable lighting fixtures that are operated for
more than 2 hours a day.
Use ENERGY STAR® labeled lighting fixtures.
for automatically turning on and off your lights as needed.
Consider light wall colors to minimize the need for artificial
If recessed lights are used in a ceiling with an unconditioned
space above it, use only Underwriters Laboratory (UL) approved
fixtures that are airtight, are IC (insulation contact) rated,
and meet ASTM E283 requirements.